CVE-2025-3446

MEDIUM

Mattermost 9.11.0-9.11.11 10.4.0-10.4.4 10.5.0-10.5.2 10.6.0-10.6.1 - Incorrect Authorization via Team Invite API

Title source: llm
STIX 2.1

Description

Mattermost versions 10.6.x <= 10.6.1, 10.5.x <= 10.5.2, 10.4.x <= 10.4.4, 9.11.x <= 9.11.11 fail to check the correct permissions which allows authenticated users who only have permission to invite non-guest users to a team to add guest users to that team via the API to add a single user to a team.

References (1)

Core 1
Core References

Scores

CVSS v3 4.3
EPSS 0.0019
EPSS Percentile 40.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-863
Status published
Products (2)
mattermost/mattermost 10.6.0 - 10.6.2Go
mattermost/mattermost_server 9.11.0 - 9.11.12
Published May 15, 2025
Tracked Since Feb 18, 2026